Why is my cpu spiking like this on startup?

[K1LLSW1TCH1]

https://gyazo.com/63f2f5b9a5656594deba3efb948950e5 maybe im opening too much stuff all at once im not sure really

 

[Rdslw]

Startup apps are launching. Looks like you have 3 times Leage of legends ? is this thing there 3 times or just have 3 processses ?
get this:
https://www.glarysoft.com/glary-utilities/
easy to use and clean up a bit.
try set some of them (like LOL) for delayed startup.